Video: Dab tsi yog database ICT?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
DEFINITION: A database yog ib qho kev sau los ntawm cov ntaub ntawv lossis cov ntaub ntawv uas tau tuav ua ke hauv ib txoj hauv kev los yog kev xav. Lossis, lawv yuav muab ib qho xwm txheej rau koj xws li tus neeg sawv cev qub txeeg qub teg, xinesmas lossis GP phais thiab nug koj kom muab piv txwv ntawm database uas tej zaum yuav siv tau rau hauv lub koom haum ntawd.
Cov lus nug tseem yog, dab tsi yog daim ntawv teev ICT?
A sau tseg yog tag nrho cov ntaub ntawv hais txog ib tus neeg lossis ib yam. A sau tseg yog ua los ntawm ib los yog ntau tshaj ' teb'. Piv txwv li lub npe thiab chaw nyob database tuaj yeem muaj ib qho sau tseg xws li qhov no: "Joe Blogs", "34 Wyvern Road", "Manchester", "UK", "MN253PE" Qhov no yog ua tiav sau tseg , nrog rau txhua qhov chaw sib cais los ntawm ib qho comma.
Tsis tas li ntawd, lub rooj ICT yog dab tsi? Hauv computer programming, a rooj yog ib cov ntaub ntawv qauv siv los npaj cov ntaub ntawv, ib yam li nws nyob rau hauv daim ntawv. 2) Hauv cov ntaub ntawv sib txheeb, a rooj (qee zaum hu ua cov ntaub ntawv) npaj cov ntaub ntawv hais txog ib lub ntsiab lus rau hauv kab thiab kab.
Tsis tas li ntawd, koj txhais li cas los ntawm database?
A database yog cov ntaub ntawv qauv uas khaws cov ntaub ntawv tsim nyog. Feem ntau databases muaj ntau lub rooj, uas txhua tus tuaj yeem suav nrog ntau qhov sib txawv. Cov chaw no siv a database kev tswj hwm (lossis DBMS), xws li Microsoft Access, FileMaker Pro, lossis MySQL li "rov qab kawg" rau lub vev xaib.
Dab tsi yog hom database?
Peb tau tham txog plaub lub ntsiab hom databases : ntawv databases , desktop database programs, kev sib raug zoo database tswj systems (RDMS), thiab NoSQL thiab object-oriented databases . Peb kuj tau tham txog ob txoj hauv kev los categorize databases raws li lawv cov qauv tsim qauv: kev ua haujlwm databases thiab database cov tsev khaws khoom.
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